• Home
  • Latest
  • Fortune 500
  • Finance
  • Tech
  • Leadership
  • Lifestyle
  • Rankings
  • Multimedia
PoliticsRussia

Intelligence officials blame Russia for major hack that targeted U.S. government

By
Alyza Sebenius
Alyza Sebenius
and
Bloomberg
Bloomberg
Down Arrow Button Icon
By
Alyza Sebenius
Alyza Sebenius
and
Bloomberg
Bloomberg
Down Arrow Button Icon
January 6, 2021, 5:43 AM ET

U.S. intelligence agencies and the FBI said a major hack of the federal government and some corporations was likely undertaken by Russia — contradicting President Donald Trump’s efforts to suggest China might be responsible — and “will require a sustained and dedicated effort to remediate.”

The Federal Bureau of Investigation is still focused on identifying victims, collecting and analyzing evidence and sharing information about the sophisticated hack, according to a joint statement on Tuesday from the FBI, National Security Agency, Office of the Director of National Intelligence and the Cybersecurity and Infrastructure Security Agency. The cyber-attacks are ongoing, according to the agencies.

The hack targeted updates in widely used software from Austin, Texas-based SolarWinds Corp., which has said as many as 18,000 of its customers may have received the malicious code. According to the statement, the agencies believe that “a much smaller number has been compromised by follow-on activity on their systems.” That means the hackers left most of the SolarWinds’s customers who received the malicious update alone but pursued further attacks against a smaller number of them.

“We have so far identified fewer than 10 U.S. government agencies that fall into this category, and are working to identify the nongovernment entities who also may be impacted,” according to the statement.

Russia has rejected accusations it was behind the hack.

However, in the statement, the agencies said the attacks were likely “Russian in origin” and are believed to be “an intelligence gathering effort.”

Tuesday’s statement is the latest contradiction of Trump’s assessment of the hack. Attorney General William Barr and Secretary of State Mike Pompeo have previously said Russia was likely responsible.

“The Cyber Hack is far greater in the Fake News Media than in actuality. I have been fully briefed and everything is well under control. Russia, Russia, Russia is the priority chant when anything happens because Lamestream is, for mostly financial reasons, petrified of discussing the possibility that it may be China (it may!),” Trump wrote in a series of tweets on Dec. 19.

In a statement Tuesday, Mark Warner, the top Democrat on the Senate Intelligence Committee, criticized the Trump administration for waiting for more than three weeks after the hacking campaign was revealed to “finally issue a tentative attribution.”

“We need to make clear to Russia that any misuse of compromised networks to produce destructive or harmful effects is unacceptable and will prompt an appropriately strong response,” he said.

–With assistance from Gregory Korte.

About the Authors
By Alyza Sebenius
See full bioRight Arrow Button Icon
By Bloomberg
See full bioRight Arrow Button Icon

Latest in Politics

Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025

Most Popular

Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Fortune Secondary Logo
Rankings
  • 100 Best Companies
  • Fortune 500
  • Global 500
  • Fortune 500 Europe
  • Most Powerful Women
  • Future 50
  • World’s Most Admired Companies
  • See All Rankings
Sections
  • Finance
  • Fortune Crypto
  • Features
  • Leadership
  • Health
  • Commentary
  • Success
  • Retail
  • Mpw
  • Tech
  • Lifestyle
  • CEO Initiative
  • Asia
  • Politics
  • Conferences
  • Europe
  • Newsletters
  • Personal Finance
  • Environment
  • Magazine
  • Education
Customer Support
  • Frequently Asked Questions
  • Customer Service Portal
  • Privacy Policy
  • Terms Of Use
  • Single Issues For Purchase
  • International Print
Commercial Services
  • Advertising
  • Fortune Brand Studio
  • Fortune Analytics
  • Fortune Conferences
  • Business Development
  • Group Subscriptions
About Us
  • About Us
  • Editorial Calendar
  • Press Center
  • Work At Fortune
  • Diversity And Inclusion
  • Terms And Conditions
  • Site Map
  • About Us
  • Editorial Calendar
  • Press Center
  • Work At Fortune
  • Diversity And Inclusion
  • Terms And Conditions
  • Site Map
  • Facebook icon
  • Twitter icon
  • LinkedIn icon
  • Instagram icon
  • Pinterest icon

Latest in Politics

Donald Trump stands behind a podium while pointing a finger in front of him.
EconomyTariffs
‘People are trying to be creative’: Tariff-battered American companies are so cash-starved they are using refund claims as collateral for loans
By Sasha RogelbergApril 12, 2026
1 hour ago
Former Citgo Petroleum interim CEO José Pereira was one of the 'Citgo Six' political prisoners held captive in Venezuela for nearly five years.
EnergyVenezuela
Former ‘Citgo 6’ political prisoner sees ‘karma’ in Maduro ouster, but Venezuelan oil won’t rebound until there’s true regime change
By Jordan BlumApril 12, 2026
2 hours ago
JD Vance leaves Pakistan after marathon talks with Iran end without a deal as Tehran refuses U.S. demand not to develop nuclear weapons
PoliticsIran
JD Vance leaves Pakistan after marathon talks with Iran end without a deal as Tehran refuses U.S. demand not to develop nuclear weapons
By Munir Ahmed, E. Eduardo Castillo, Samy Magdy, Cara Anna, Ben Finley, Collin Binkley and The Associated PressApril 11, 2026
6 hours ago
Trump downplays talks for ceasefire deal with Iran, claiming military victory. ‘It doesn’t matter. From the standpoint of America, we win’
PoliticsDonald Trump
Trump downplays talks for ceasefire deal with Iran, claiming military victory. ‘It doesn’t matter. From the standpoint of America, we win’
By The Associated PressApril 11, 2026
10 hours ago
Appeals court says national security implications of halting White House ballroom construction must be weighed
Lawcourts
Appeals court says national security implications of halting White House ballroom construction must be weighed
By Michael Kunzelman, Ben Finley and The Associated PressApril 11, 2026
10 hours ago
‘This is the last warning.’ Iran threatens U.S. warships after they throw down the gauntlet for winner-take-all Strait of Hormuz
PoliticsIran
‘This is the last warning.’ Iran threatens U.S. warships after they throw down the gauntlet for winner-take-all Strait of Hormuz
By Jason MaApril 11, 2026
11 hours ago

Most Popular

'This is the last warning.' Iran threatens U.S. warships after they throw down the gauntlet for winner-take-all Strait of Hormuz
Politics
'This is the last warning.' Iran threatens U.S. warships after they throw down the gauntlet for winner-take-all Strait of Hormuz
By Fortune EditorsApril 11, 2026
11 hours ago
Palantir CEO says AI ‘will destroy’ humanities jobs but there will be ‘more than enough jobs’ for people with vocational training
Future of Work
Palantir CEO says AI ‘will destroy’ humanities jobs but there will be ‘more than enough jobs’ for people with vocational training
By Fortune EditorsApril 11, 2026
22 hours ago
The 'affordability economy' has created a housing market nobody predicted: Prices collapsing in the Sun Belt, soaring in the Rust Belt
Real Estate
The 'affordability economy' has created a housing market nobody predicted: Prices collapsing in the Sun Belt, soaring in the Rust Belt
By Fortune EditorsApril 11, 2026
1 day ago
Warren Buffett says 'accumulating great amounts of money' doesn’t achieve greatness—He still lives in a $31,500 Nebraska home and clipped coupons
Success
Warren Buffett says 'accumulating great amounts of money' doesn’t achieve greatness—He still lives in a $31,500 Nebraska home and clipped coupons
By Fortune EditorsApril 11, 2026
23 hours ago
Scottie Scheffler joined Tiger Woods and Rory McIlroy in golf's $100M club—and donated his entire Ryder Cup stipend to charity
Success
Scottie Scheffler joined Tiger Woods and Rory McIlroy in golf's $100M club—and donated his entire Ryder Cup stipend to charity
By Fortune EditorsApril 10, 2026
2 days ago
Navy tests Hormuz blockade as expert says U.S. military prepares for round 2 and could degrade Iran's hold over the strait to a 'manageable level'
Politics
Navy tests Hormuz blockade as expert says U.S. military prepares for round 2 and could degrade Iran's hold over the strait to a 'manageable level'
By Fortune EditorsApril 11, 2026
16 hours ago

© 2026 Fortune Media IP Limited. All Rights Reserved. Use of this site constitutes acceptance of our Terms of Use and Privacy Policy | CA Notice at Collection and Privacy Notice | Do Not Sell/Share My Personal Information
FORTUNE is a trademark of Fortune Media IP Limited, registered in the U.S. and other countries. FORTUNE may receive compensation for some links to products and services on this website. Offers may be subject to change without notice.